Microsoft Dynamics Axapta Technical,Functional Coverage

Please comment on this error . I am running tutorial_workflowprocessor form. See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. ************** Exception Text ************** System.ComponentModel.Win32Exception: The handle is invalid at System.Drawing.Graphics.CopyFromScreen(Int32 sourceX, Int32 sourceY, Int32 destinationX, Int32 destinationY, Size blockRegionSize, CopyPixelOperation copyPixelOperation) at System.Drawing.Graphics.CopyFromScreen(Int32 sourceX, Int32 sourceY, Int32 destinationX, Int32 destinationY, Size blockRegionSize) at System.Drawing.Graphics.CopyFromScreen(Point upperLeftSource, Point upperLeftDestination, Size blockRegionSize) at Microsoft.Dynamics.Framework.UI.WinForms.Controls.Toast.get_BackgroundTransparentImage() at Microsoft.Dynamics.Framework.UI.WinForms.Controls.Toast.OnPaint(PaintEventArgs e) at System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer, Boolean di...